Cisco 2901 Integrated Services Router (ISR) delivers highly secure data, voice, video, and application services for small offices. Key features include:

2 integrated 10/100/1000 Ethernet ports

4 enhanced high-speed WAN interface card slots

2 onboard digital signal processor (DSP) slots

1 onboard Internal Service Module for application services

Fully integrated power distribution to modules supporting 802.3af Power over Ethernet (PoE) and Cisco Enhanced PoE


Embedded hardware-accelerated VPN encryption for secure collaborative VPN communications

Integrated threat control using Cisco IOS Firewall, Cisco IOS Zone-Based Firewall, Cisco IOS IPS, and Cisco IOS Content Filtering

Identity management that uses authentication, authorization, and accounting (AAA) and public key infrastructure


High-density-packet voice DSP module, optimized for voice and video

Standards-certified VoiceXML browser services

Cisco Unified Border Element capabilities

Cisco Unity Express voicemail support

Support for Cisco Communications Manager Express and Survivable Remote Site Telephony
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